const Koa = require('koa')
const app = new Koa()
const views = require('koa-views')
const json = require('koa-json')
const onerror = require('koa-onerror')
const bodyparser = require('koa-bodyparser')
const logger = require('koa-logger')

const reptile = require('./routes/reptile')
const uniapi = require('./routes/uniapi')
const admin = require('./routes/admin')
const newVideoInfo = require('./routes/newVideoInfo')

const cors = require('koa2-cors'); //跨域处理

app.use(
  cors({
      credentials: true, //是否允许发送Cookie
      allowMethods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'] //设置所允许的HTTP请求方法
  })
);

// error handler
onerror(app)

// middlewares
app.use(bodyparser({
  enableTypes:['json', 'form', 'text']
}))
app.use(json())
app.use(logger())
app.use(require('koa-static')(__dirname + '/public'))

app.use(views(__dirname + '/views', {
  extension: 'pug'
}))

// logger
app.use(async (ctx, next) => {
  const start = new Date()
  await next()
  const ms = new Date() - start
  console.log(`${ctx.method} ${ctx.url} - ${ms}ms`)
})

// routes
app.use(reptile.routes(), reptile.allowedMethods())
app.use(uniapi.routes(), uniapi.allowedMethods())
app.use(admin.routes(), admin.allowedMethods())
app.use(newVideoInfo.routes(), newVideoInfo.allowedMethods())

// error-handling
app.on('error', (err, ctx) => {
  console.error('server error', err, ctx)
});

module.exports = app
